This is how I setup Certification Authority Authorization (CAA) DNS record(s) to prevent https cert issue/misuse on my domain and 1 sub domain.
Here is how I replaced Google Analytics with Piwik/Matomo for a locally hosted privacy-focused open source analytics solution
Monitor server performance with NixStats and receive alerts by SMS, Push, Email, Telegram etc
This guide will aim to inform you of strong cryptographic protocols and ciphers to use on a web server on Ubuntu 16.04 and NGINX.
Read the full article here: https://fearby.com/article/setting-strong-ssl-cryptographic-protocols-and-ciphers-on-ubuntu-and-nginx/